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News Brief

Sept. 15, 2023St. Joseph, Mo. |  By: Jeremy Werner

NWMO soybean crops under threat of SDS

soybeans

ST. JOSEPH, Mo. - Soybean crops in northwest Missouri are under threat from Sudden Death Syndrome.

According to a press release from the University of Missouri Extension Office, some fields exhibit severe damage, while others show milder symptoms.

The syndrome manifests as yellow spots between leaf veins, which later turn brown. Affected leaves die and fall off while the petioles remain on the stem, leading to potential pod and seed loss.

The fungus infects soybean roots early in the season. Variations in symptom severity may be linked to wet soil conditions after planting.

Managing the syndrome involves planting soybeans that are resitant to the fungus, using effective fungicide seed treatments, and enhancing soil drainage.

Once the disease takes hold, there's no effective control, resulting in yield loss. For more information, you can contact Agronomist Wayne Flanary at 816-279-1691.